In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:
1.
| Assertion: | Psychrophilic bacteria are defined as cold-loving bacteria. |
| Reason: | Psychrophiles are extremophilic organisms capable of growth and reproduction in low temperatures, ranging from −20 °C to +10 °C. |
2.
| Assertion: | Bacteriophage is made up of a polyhedral head, a short collar and a spiral tail. |
| Reason: | Polyhedral head of the bacteriophage consists of 2000 capsomeres. |